A researcher finds that people who own more than two cars have bigger homes, more garage space, and make more money than people who own only one or two cars. Therefore, the researcher concludes that having more than two cars causes people to have homes with bigger garages. According to Cook and Campbell's types of evidence, the researcher failed to eliminate:

A. falsifiability.
B. alternate forms reliability.
C. alternative explanations.
D. temporal precedence.

Alternative explanation

Explanation:

The alternative explanation is considered to be in all of the outcomes of the evaluation. These evaluations are formal or informal. There are many investigators, researchers, and managers that should be scrutinized outcomes for evaluations and the explanation so that new further information. The app-rant outcomes may be reflected by the methodological issues for example selection bias.

Thus in the above explanation people who have more than two cars have bigger homes. and have more money. So that people think that people who have a car garage and a bigger house have more money but the researcher here failed to eliminate the alternative explanation.  

no, dan should reduce his discretionary spending. not long-term goals involve more planning than short-term goals do

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